142247440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{41351}}^1$

素因数の和:41407

約数の個数: 40

約数和(自身を含む): 338424768

約数和(自身を除く): 196177328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 41351, 82702, 165404, 206755, 330808, 413510, 661616, 827020, 1654040, 1778093, 3308080, 3556186, 7112372, 8890465, 14224744, 17780930, 28449488, 35561860, 71123720, 142247440]

約数ペア:

[(1, 142247440), (2, 71123720), (4, 35561860), (5, 28449488), (8, 17780930), (10, 14224744), (16, 8890465), (20, 7112372), (40, 3556186), (43, 3308080), (80, 1778093), (86, 1654040), (172, 827020), (215, 661616), (344, 413510), (430, 330808), (688, 206755), (860, 165404), (1720, 82702), (3440, 41351)]